4mm, HIGH-THROUGHPUT 7inch SELECT SERIES NMR TUBE (ASTM TYPE1, CLASS A), 25PK

High-Throughput NMR Sample Tubes NEW 4mm and 4.25mm sizes. Recommended for use with our 5mm spinner turbine inserts. Ideal for reducing salt effects when running buffered solutions for bio-samples. Only Norell can satisfy the many customer requests for a High-Throughput NMR tube that features both high-precision, as required in today’s high-field spectrometers, and economy in price. Made from ASTM Type 1 borosilicate glass for reproducibility and durability. Specially designed for onetime use for routine NMR, our high-precision NMR tubes will out-perform more expensive competitor brands. See for yourself. Available in packs of 25.